Home / 1,434,797.31-1,980,109.85-790,217.34

Finding the Fourth Proportional to 1,434,797.31, 1,980,109.85 and 790,217.34

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Solution

The fourth proportional to 1,434,797.31, 1,980,109.85 and 790,217.34 is: 1,090,549.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,797.31 : 1,980,109.85 = 790,217.34 : x
  2. Step 2: Convert to fraction form
    1,434,797.31/1,980,109.85 = 790,217.34/x
  3. Step 3: Cross multiply
    1,434,797.31x = 1,980,109.85 × 790,217.34
  4. Step 4: Simplify right side
    1,434,797.31x = 1,564,717,134,623.71
  5. Step 5: Solve for x
    x = 1,564,717,134,623.71/1,434,797.31
  6. Step 6: Final answer
    x = 1,090,549.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.